US4839018A - Air/fuel ratio detector - Google Patents

Air/fuel ratio detector Download PDF

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Publication number
US4839018A
US4839018A US07/150,468 US15046888A US4839018A US 4839018 A US4839018 A US 4839018A US 15046888 A US15046888 A US 15046888A US 4839018 A US4839018 A US 4839018A
Authority
US
United States
Prior art keywords
electrochemical cell
oxygen
electrodes
ratio
coupled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US07/150,468
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English (en)
Inventor
Tetsusyo Yamada
Sadao Ichikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Niterra Co Ltd
Original Assignee
Mitsubishi Electric Corp
NGK Spark Plug Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp, NGK Spark Plug Co Ltd filed Critical Mitsubishi Electric Corp
Assigned to NGK SPARK PLUG CO., LTD., NO. 14-18, TAKATSUJI-CHO, MIZUHO-KU, NAGOYA-SHI, AICHI, JAPAN, MITSUBISHI DENKI KABUSHIKI KAISHA, NO. 2-3, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO, JAPAN reassignment NGK SPARK PLUG CO., LTD., NO. 14-18, TAKATSUJI-CHO, MIZUHO-KU, NAGOYA-SHI, AICHI, JAPAN ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ICHIKAWA, SADAO, YAMADA, TETSUSYO
Application granted granted Critical
Publication of US4839018A publication Critical patent/US4839018A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/4065—Circuit arrangements specially adapted therefor

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
US07/150,468 1984-12-11 1988-02-01 Air/fuel ratio detector Expired - Lifetime US4839018A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59261314A JPS61138156A (ja) 1984-12-11 1984-12-11 空燃比検出装置
JP59-261314 1984-12-11

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US06807086 Continuation 1986-12-10

Publications (1)

Publication Number Publication Date
US4839018A true US4839018A (en) 1989-06-13

Family

ID=17360071

Family Applications (1)

Application Number Title Priority Date Filing Date
US07/150,468 Expired - Lifetime US4839018A (en) 1984-12-11 1988-02-01 Air/fuel ratio detector

Country Status (3)

Country Link
US (1) US4839018A (ja)
JP (1) JPS61138156A (ja)
DE (1) DE3543759C2 (ja)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5106481A (en) * 1991-02-19 1992-04-21 Ford Motor Company Linear air/fuel sensor
US5250169A (en) * 1991-06-07 1993-10-05 Ford Motor Company Apparatus for sensing hydrocarbons and carbon monoxide
US5302275A (en) * 1990-03-13 1994-04-12 Robert Bosch Gmbh Sensor element for an oxygen limiting current probe in order to determine the λ value of gas mixtures
US5314604A (en) * 1990-10-12 1994-05-24 Robert Bosch Gmbh Sensor element for limit current sensors to determine the λ-value of gas mixtures
US5360528A (en) * 1992-07-20 1994-11-01 General Motors Corporation Wide range oxygen sensor
US5406246A (en) * 1990-08-14 1995-04-11 Robert Bosch Gmbh Temperature sensor and method for producing temperature sensor elements
US5516410A (en) * 1993-12-17 1996-05-14 Robert Bosch Gmbh Planar sensor element having a solid electrolyte substrate
US5611898A (en) * 1994-12-08 1997-03-18 International Business Machines Corporation Reaction chamber having in situ oxygen generation
US5879526A (en) * 1994-11-08 1999-03-09 Robert Bosch Gmbh Electrochemical measuring sensor for determining nitrogen oxides in gas mixtures
US6482310B2 (en) 2000-12-18 2002-11-19 Delphi Technologies, Inc. Current control for a pumped air reference oxygen sensor
US6746584B1 (en) 1999-12-15 2004-06-08 Delphi Technologies, Inc. Oxygen sensing device
US20060151338A1 (en) * 2005-01-12 2006-07-13 Wang Da Y Multi-function sensor system and method of operation
US20100000864A1 (en) * 2006-03-13 2010-01-07 Lothar Diehl Gas sensor with pump cell and additional outer electrode
EP2952722A4 (en) * 2013-01-29 2016-01-20 Toyota Motor Co Ltd CONTROL DEVICE FOR A COMBUSTION ENGINE
US10001076B2 (en) 2013-01-29 2018-06-19 Toyota Jidosha Kabushiki Kaisha Control system of internal combustion engine
US10473049B2 (en) 2013-01-29 2019-11-12 Toyota Jidosha Kabushiki Kaisha Control system of internal combustion engine

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH065224B2 (ja) * 1985-01-19 1994-01-19 日本碍子株式会社 空燃比検出素子
JPS6321549A (ja) * 1986-07-15 1988-01-29 Ngk Insulators Ltd 限界電流測定回路
JPH0635955B2 (ja) * 1986-07-30 1994-05-11 三菱自動車工業株式会社 空燃比検出装置
DE3733192C1 (de) * 1987-10-01 1988-10-06 Bosch Gmbh Robert PTC-Temperaturfuehler sowie Verfahren zur Herstellung von PTC-Temperaturfuehlerelementen fuer den PTC-Temperaturfuehler
JPH0635954B2 (ja) * 1987-05-12 1994-05-11 日本特殊陶業株式会社 空燃比検出装置
DE3728618C1 (de) * 1987-08-27 1988-03-10 Bosch Gmbh Robert Sensorelement fuer Grenzstromsensoren zur Bestimmung des lambda-Wertes von Gasgemischen
DE3809154C1 (ja) * 1988-03-18 1988-12-08 Robert Bosch Gmbh, 7000 Stuttgart, De
DE3811713A1 (de) * 1988-04-08 1989-10-19 Bosch Gmbh Robert Planare polarographische sonde zur bestimmung des (lambda)-wertes von gasgemischen
US4951632A (en) * 1988-04-25 1990-08-28 Honda Giken Kogyo K.K. Exhaust gas component concentration sensing device and method of detecting failure thereof
DE3833541C1 (ja) * 1988-10-01 1990-03-22 Robert Bosch Gmbh, 7000 Stuttgart, De
DE3834987A1 (de) * 1988-10-14 1990-04-19 Bosch Gmbh Robert Sensorelement fuer grenzstromsensoren zur bestimmung des (lambda)-wertes von gasgemischen
DE3908393A1 (de) * 1989-03-15 1990-09-27 Bosch Gmbh Robert Sensorelement fuer grenzstromsensoren zur bestimmung des (lambda)-wertes von gasgemischen
DE19857471A1 (de) 1998-12-14 2000-06-15 Bosch Gmbh Robert Sensorelement für Grenzstromsonden zur Bestimmung des Lambda-Wertes von Gasgemischen und Verfahren zu dessen Herstellung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207159A (en) * 1978-06-16 1980-06-10 Nissan Motor Company, Limited Apparatus for measurement of oxygen concentration
US4568443A (en) * 1984-09-06 1986-02-04 Mitsubishi Denki Kabushiki Kaisha Air-to-fuel ratio sensor
US4579643A (en) * 1983-11-18 1986-04-01 Ngk Insulators, Ltd. Electrochemical device
US4586476A (en) * 1983-10-14 1986-05-06 Mitsubishi Denki Kabushiki Kaisha Air-to-fuel ratio detector for engines

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58153155A (ja) * 1982-03-09 1983-09-12 Ngk Spark Plug Co Ltd 酸素センサ
JPS59208451A (ja) * 1983-05-11 1984-11-26 Mitsubishi Electric Corp 機関の空燃比センサ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207159A (en) * 1978-06-16 1980-06-10 Nissan Motor Company, Limited Apparatus for measurement of oxygen concentration
US4586476A (en) * 1983-10-14 1986-05-06 Mitsubishi Denki Kabushiki Kaisha Air-to-fuel ratio detector for engines
US4579643A (en) * 1983-11-18 1986-04-01 Ngk Insulators, Ltd. Electrochemical device
US4568443A (en) * 1984-09-06 1986-02-04 Mitsubishi Denki Kabushiki Kaisha Air-to-fuel ratio sensor

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5302275A (en) * 1990-03-13 1994-04-12 Robert Bosch Gmbh Sensor element for an oxygen limiting current probe in order to determine the λ value of gas mixtures
US5406246A (en) * 1990-08-14 1995-04-11 Robert Bosch Gmbh Temperature sensor and method for producing temperature sensor elements
US5314604A (en) * 1990-10-12 1994-05-24 Robert Bosch Gmbh Sensor element for limit current sensors to determine the λ-value of gas mixtures
US5106481A (en) * 1991-02-19 1992-04-21 Ford Motor Company Linear air/fuel sensor
US5250169A (en) * 1991-06-07 1993-10-05 Ford Motor Company Apparatus for sensing hydrocarbons and carbon monoxide
US5360528A (en) * 1992-07-20 1994-11-01 General Motors Corporation Wide range oxygen sensor
US5516410A (en) * 1993-12-17 1996-05-14 Robert Bosch Gmbh Planar sensor element having a solid electrolyte substrate
US5879526A (en) * 1994-11-08 1999-03-09 Robert Bosch Gmbh Electrochemical measuring sensor for determining nitrogen oxides in gas mixtures
US5643435A (en) * 1994-12-08 1997-07-01 International Business Machines Corporation Method of fabricating semiconductor device
US5611898A (en) * 1994-12-08 1997-03-18 International Business Machines Corporation Reaction chamber having in situ oxygen generation
US6746584B1 (en) 1999-12-15 2004-06-08 Delphi Technologies, Inc. Oxygen sensing device
US6482310B2 (en) 2000-12-18 2002-11-19 Delphi Technologies, Inc. Current control for a pumped air reference oxygen sensor
US20060151338A1 (en) * 2005-01-12 2006-07-13 Wang Da Y Multi-function sensor system and method of operation
US20100000864A1 (en) * 2006-03-13 2010-01-07 Lothar Diehl Gas sensor with pump cell and additional outer electrode
EP2952722A4 (en) * 2013-01-29 2016-01-20 Toyota Motor Co Ltd CONTROL DEVICE FOR A COMBUSTION ENGINE
US9745911B2 (en) 2013-01-29 2017-08-29 Toyota Jidosha Kabushiki Kaisha Control system of internal combustion engine
US10001076B2 (en) 2013-01-29 2018-06-19 Toyota Jidosha Kabushiki Kaisha Control system of internal combustion engine
US10473049B2 (en) 2013-01-29 2019-11-12 Toyota Jidosha Kabushiki Kaisha Control system of internal combustion engine

Also Published As

Publication number Publication date
DE3543759C2 (de) 1997-03-06
JPH0548420B2 (ja) 1993-07-21
JPS61138156A (ja) 1986-06-25
DE3543759A1 (de) 1986-07-10

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AS Assignment

Owner name: MITSUBISHI DENKI KABUSHIKI KAISHA, NO. 2-3, MARUNO

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:YAMADA, TETSUSYO;ICHIKAWA, SADAO;REEL/FRAME:004997/0812

Effective date: 19851204

Owner name: NGK SPARK PLUG CO., LTD., NO. 14-18, TAKATSUJI-CHO

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:YAMADA, TETSUSYO;ICHIKAWA, SADAO;REEL/FRAME:004997/0812

Effective date: 19851204

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